Soviet mathematician (1891-1983).
Born September 14th, 1891. [ref]
Died March 20th, 1983 at 91 years old in Moscow. [ref]
When we finally know we are dying, and all other sentient beings are dying with us, we start to have a burning, almost heartbreaking sense of the fragility and preciousness of each moment and each being, and from this can grow a deep, clear, limitless compassion for all beings. Sogyal Rinpoche